A barrier including frame and still used wherever watertight or airtight construction is required. May also be used where local conditions require construction which is nontight. Excludes hatch,marine.
Classification: Doors, windows and frames and thresholds for doors of iron or steel
NSN 5920-00-840-3570
NSN 6685-00-850-4149
NSN 5965-01-493-6671
NSN 5998-01-403-2586
NSN 6110-01-004-9870
NSN 5910-00-336-4525
NSN 5965-01-436-0390
NSN 6130-01-068-8151
NSN 5910-00-356-1077
NSN 5895-00-637-2658
NSN 5950-01-479-2378
NSN 7035-01-536-8236